mirror of https://github.com/acidanthera/audk.git
714 lines
27 KiB
C
714 lines
27 KiB
C
/** @file
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EFI UDPv4 protocol implementation.
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Copyright (c) 2006 - 2007, Intel Corporation.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _UDP4_IMPL_H_
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#define _UDP4_IMPL_H_
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#include <PiDxe.h>
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#include <Protocol/Ip4.h>
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#include <Protocol/Udp4.h>
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#include <Library/IpIoLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/TimerLib.h>
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#include "Udp4Driver.h"
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extern EFI_COMPONENT_NAME_PROTOCOL gUdp4ComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gUdp4ComponentName2;
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extern EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding;
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extern EFI_UDP4_PROTOCOL mUdp4Protocol;
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extern UINT16 mUdp4RandomPort;
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#define ICMP_ERROR_PACKET_LENGTH 8
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#define UDP4_TIMEOUT_INTERVAL (10 * TICKS_PER_MS) // 10 milliseconds
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#define UDP4_HEADER_SIZE sizeof (EFI_UDP4_HEADER)
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#define UDP4_MAX_DATA_SIZE 65507
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#define UDP4_PORT_KNOWN 1024
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#define UDP4_SERVICE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', '4')
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#define UDP4_SERVICE_DATA_FROM_THIS(a) \
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CR ( \
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(a), \
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UDP4_SERVICE_DATA, \
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ServiceBinding, \
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UDP4_SERVICE_DATA_SIGNATURE \
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)
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typedef struct _UDP4_SERVICE_DATA_ {
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UINT32 Signature;
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EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
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EFI_HANDLE ImageHandle;
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EFI_HANDLE ControllerHandle;
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LIST_ENTRY ChildrenList;
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UINTN ChildrenNumber;
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IP_IO *IpIo;
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EFI_EVENT TimeoutEvent;
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CHAR16 *MacString;
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} UDP4_SERVICE_DATA;
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#define UDP4_INSTANCE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', 'I')
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#define UDP4_INSTANCE_DATA_FROM_THIS(a) \
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CR ( \
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(a), \
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UDP4_INSTANCE_DATA, \
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Udp4Proto, \
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UDP4_INSTANCE_DATA_SIGNATURE \
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)
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typedef struct _UDP4_INSTANCE_DATA_ {
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UINT32 Signature;
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LIST_ENTRY Link;
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UDP4_SERVICE_DATA *Udp4Service;
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EFI_UDP4_PROTOCOL Udp4Proto;
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EFI_UDP4_CONFIG_DATA ConfigData;
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EFI_HANDLE ChildHandle;
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BOOLEAN Configured;
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BOOLEAN IsNoMapping;
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NET_MAP TxTokens;
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NET_MAP RxTokens;
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NET_MAP McastIps;
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LIST_ENTRY RcvdDgramQue;
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LIST_ENTRY DeliveredDgramQue;
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UINT16 HeadSum;
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EFI_STATUS IcmpError;
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IP_IO_IP_INFO *IpInfo;
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BOOLEAN Destroyed;
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} UDP4_INSTANCE_DATA;
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typedef struct _UDP4_RXDATA_WRAP_ {
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LIST_ENTRY Link;
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NET_BUF *Packet;
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UINT32 TimeoutTick;
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EFI_UDP4_RECEIVE_DATA RxData;
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} UDP4_RXDATA_WRAP;
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/**
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Reads the current operational settings.
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The GetModeData() function copies the current operational settings of this EFI
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UDPv4 Protocol instance into user-supplied buffers. This function is used
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optionally to retrieve the operational mode data of underlying networks or
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drivers.
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@param This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param Udp4ConfigData Pointer to the buffer to receive the current configuration data.
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@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.
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@param MnpConfigData Pointer to the managed network configuration data structure.
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@param SnpModeData Pointer to the simple network mode data structure.
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@retval EFI_SUCCESS The mode data was read.
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@retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is
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available because this instance has not been started.
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@retval EFI_INVALID_PARAMETER This is NULL.
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**/
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EFI_STATUS
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EFIAPI
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Udp4GetModeData (
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IN EFI_UDP4_PROTOCOL *This,
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OUT EFI_UDP4_CONFIG_DATA *Udp4ConfigData OPTIONAL,
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OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,
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OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
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OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
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);
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/**
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Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4
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Protocol.
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The Configure() function is used to do the following:
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* Initialize and start this instance of the EFI UDPv4 Protocol.
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* Change the filtering rules and operational parameters.
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* Reset this instance of the EFI UDPv4 Protocol.
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Until these parameters are initialized, no network traffic can be sent or
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received by this instance. This instance can be also reset by calling Configure()
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with UdpConfigData set to NULL. Once reset, the receiving queue and transmitting
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queue are flushed and no traffic is allowed through this instance.
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With different parameters in UdpConfigData, Configure() can be used to bind
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this instance to specified port.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] UdpConfigData Pointer to the buffer to receive the current configuration data.
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@retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
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@retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured
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and must be stopped/reset before it can be reconfigured.
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@retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE
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and UdpConfigData.StationPort is already used by
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other instance.
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@retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this
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EFI UDPv4 Protocol instance.
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@retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance
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was not opened.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Configure (
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IN EFI_UDP4_PROTOCOL *This,
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IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL
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);
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/**
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Joins and leaves multicast groups.
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The Groups() function is used to enable and disable the multicast group
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filtering. If the JoinFlag is FALSE and the MulticastAddress is NULL, then all
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currently joined groups are left.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one
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or all multicast groups.
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@param[in] MulticastAddress Pointer to multicast group address to join or leave.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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- This is NULL.
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- JoinFlag is TRUE and MulticastAddress is NULL.
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- JoinFlag is TRUE and *MulticastAddress is not
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a valid multicast address.
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@retval EFI_ALREADY_STARTED The group address is already in the group table (when
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JoinFlag is TRUE).
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@retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is
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FALSE).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Groups (
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IN EFI_UDP4_PROTOCOL *This,
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IN BOOLEAN JoinFlag,
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IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL
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);
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/**
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Adds and deletes routing table entries.
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The Routes() function adds a route to or deletes a route from the routing table.
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Routes are determined by comparing the SubnetAddress with the destination IP
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address and arithmetically AND-ing it with the SubnetMask. The gateway address
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must be on the same subnet as the configured station address.
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The default route is added with SubnetAddress and SubnetMask both set to 0.0.0.0.
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The default route matches all destination IP addresses that do not match any
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other routes.
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A zero GatewayAddress is a nonroute. Packets are sent to the destination IP
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address if it can be found in the Address Resolution Protocol (ARP) cache or
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on the local subnet. One automatic nonroute entry will be inserted into the
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routing table for outgoing packets that are addressed to a local subnet
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(gateway address of 0.0.0.0).
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Each instance of the EFI UDPv4 Protocol has its own independent routing table.
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Instances of the EFI UDPv4 Protocol that use the default IP address will also
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have copies of the routing table provided by the EFI_IP4_CONFIG_PROTOCOL. These
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copies will be updated automatically whenever the IP driver reconfigures its
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instances; as a result, the previous modification to these copies will be lost.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] DeleteRoute Set to TRUE to delete this route from the routing table.
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Set to FALSE to add this route to the routing table.
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@param[in] SubnetAddress The destination network address that needs to be routed.
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@param[in] SubnetMask The subnet mask of SubnetAddress.
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@param[in] GatewayAddress The gateway IP address for this route.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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- RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.
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@retval EFI_NOT_FOUND This route is not in the routing table.
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@retval EFI_ACCESS_DENIED The route is already defined in the routing table.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Routes (
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IN EFI_UDP4_PROTOCOL *This,
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IN BOOLEAN DeleteRoute,
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IN EFI_IPv4_ADDRESS *SubnetAddress,
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IN EFI_IPv4_ADDRESS *SubnetMask,
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IN EFI_IPv4_ADDRESS *GatewayAddress
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);
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/**
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Queues outgoing data packets into the transmit queue.
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The Transmit() function places a sending request to this instance of the EFI
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UDPv4 Protocol, alongside the transmit data that was filled by the user. Whenever
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the packet in the token is sent out or some errors occur, the Token.Event will
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be signaled and Token.Status is updated. Providing a proper notification function
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and context for the event will enable the user to receive the notification and
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transmitting status.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] Token Pointer to the completion token that will be placed into the
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transmit queue.
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@retval EFI_SUCCESS The data has been queued for transmission.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_ACCESS_DENIED The transmit completion token with the same
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Token.Event was already in the transmit queue.
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@retval EFI_NOT_READY The completion token could not be queued because the
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transmit queue is full.
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@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
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@retval EFI_NOT_FOUND There is no route to the destination network or address.
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@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet
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size. Or the length of the IP header + UDP header + data
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length is greater than MTU if DoNotFragment is TRUE.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Transmit (
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IN EFI_UDP4_PROTOCOL *This,
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IN EFI_UDP4_COMPLETION_TOKEN *Token
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);
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/**
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Places an asynchronous receive request into the receiving queue.
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The Receive() function places a completion token into the receive packet queue.
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This function is always asynchronous.
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The caller must fill in the Token.Event field in the completion token, and this
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field cannot be NULL. When the receive operation completes, the EFI UDPv4 Protocol
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driver updates the Token.Status and Token.Packet.RxData fields and the Token.Event
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is signaled. Providing a proper notification function and context for the event
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will enable the user to receive the notification and receiving status. That
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notification function is guaranteed to not be re-entered.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] Token Pointer to a token that is associated with
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the receive data descriptor.
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@retval EFI_SUCCESS The receive completion token was cached.
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@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.
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@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP, RARP, etc.)
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is not finished yet.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system
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resources (usually memory).
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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@retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was already in
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the receive queue.
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@retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Receive (
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IN EFI_UDP4_PROTOCOL *This,
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IN EFI_UDP4_COMPLETION_TOKEN *Token
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);
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/**
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Aborts an asynchronous transmit or receive request.
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The Cancel() function is used to abort a pending transmit or receive request.
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If the token is in the transmit or receive request queues, after calling this
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function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
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signaled. If the token is not in one of the queues, which usually means that
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the asynchronous operation has completed, this function will not signal the
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token and EFI_NOT_FOUND is returned.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@param[in] Token Pointer to a token that has been issued by
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EFI_UDP4_PROTOCOL.Transmit() or
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EFI_UDP4_PROTOCOL.Receive().If NULL, all pending
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tokens are aborted.
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@retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event
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was signaled. When Token is NULL, all pending requests are
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aborted and their events are signaled.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_NOT_STARTED This instance has not been started.
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@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,
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RARP, etc.) is not finished yet.
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@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was
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not found in the transmit or receive queue. It has either completed
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or was not issued by Transmit() and Receive().
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**/
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EFI_STATUS
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EFIAPI
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Udp4Cancel (
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IN EFI_UDP4_PROTOCOL *This,
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IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
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);
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/**
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Polls for incoming data packets and processes outgoing data packets.
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The Poll() function can be used by network drivers and applications to increase
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the rate that data packets are moved between the communications device and the
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transmit and receive queues.
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In some systems, the periodic timer event in the managed network driver may not
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poll the underlying communications device fast enough to transmit and/or receive
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all data packets without missing incoming packets or dropping outgoing packets.
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Drivers and applications that are experiencing packet loss should try calling
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the Poll() function more often.
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@param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.
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@retval EFI_SUCCESS Incoming or outgoing data was processed.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.
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**/
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EFI_STATUS
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EFIAPI
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Udp4Poll (
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IN EFI_UDP4_PROTOCOL *This
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);
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/**
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Create the Udp service context data.
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@param Udp4Service Pointer to the UDP4_SERVICE_DATA.
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@param ImageHandle The image handle of this udp4 driver.
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@param ControllerHandle The controller handle this udp4 driver binds on.
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@retval EFI_SUCCESS The udp4 service context data is created and
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initialized.
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@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
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@retval other Other error occurs.
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**/
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EFI_STATUS
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Udp4CreateService (
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IN OUT UDP4_SERVICE_DATA *Udp4Service,
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IN EFI_HANDLE ImageHandle,
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IN EFI_HANDLE ControllerHandle
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);
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/**
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Clean the Udp service context data.
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@param[in] Udp4Service Pointer to the UDP4_SERVICE_DATA.
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**/
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VOID
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Udp4CleanService (
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IN UDP4_SERVICE_DATA *Udp4Service
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);
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/**
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This function intializes the new created udp instance.
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@param Udp4Service Pointer to the UDP4_SERVICE_DATA.
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@param Instance Pointer to the un-initialized UDP4_INSTANCE_DATA.
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**/
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VOID
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Udp4InitInstance (
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IN UDP4_SERVICE_DATA *Udp4Service,
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IN OUT UDP4_INSTANCE_DATA *Instance
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);
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/**
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This function cleans the udp instance.
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@param[in] Instance Pointer to the UDP4_INSTANCE_DATA to clean.
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**/
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VOID
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Udp4CleanInstance (
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IN UDP4_INSTANCE_DATA *Instance
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);
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/**
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This function tries to bind the udp instance according to the configured port
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allocation strategy.
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@param InstanceList Pointer to the head of the list linking the udp
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instances.
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@param ConfigData Pointer to the ConfigData of the instance to be
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bound. ConfigData->StationPort will be assigned
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with an available port value on success.
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@retval EFI_SUCCESS The bound operation is completed successfully.
|
|
@retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is
|
|
already used by other instance.
|
|
@retval EFI_OUT_OF_RESOURCES No available port resources.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4Bind (
|
|
IN LIST_ENTRY *InstanceList,
|
|
IN OUT EFI_UDP4_CONFIG_DATA *ConfigData
|
|
);
|
|
|
|
/**
|
|
This function is used to check whether the NewConfigData has any un-reconfigurable
|
|
parameters changed compared to the OldConfigData.
|
|
|
|
@param[in] OldConfigData Pointer to the current ConfigData the udp instance
|
|
uses.
|
|
@param[in] NewConfigData Pointer to the new ConfigData.
|
|
|
|
@retval TRUE The instance is reconfigurable.
|
|
@retval FALSE Otherwise.
|
|
|
|
**/
|
|
BOOLEAN
|
|
Udp4IsReconfigurable (
|
|
IN EFI_UDP4_CONFIG_DATA *OldConfigData,
|
|
IN EFI_UDP4_CONFIG_DATA *NewConfigData
|
|
);
|
|
|
|
/**
|
|
This function builds the Ip4 configdata from the Udp4ConfigData.
|
|
|
|
@param[in] Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.
|
|
@param[in, out] Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.
|
|
|
|
**/
|
|
VOID
|
|
Udp4BuildIp4ConfigData (
|
|
IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
|
|
IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData
|
|
);
|
|
|
|
/**
|
|
This function validates the TxToken, it returns the error code according to the spec.
|
|
|
|
@param[in] Instance Pointer to the udp instance context data.
|
|
@param[in] TxToken Pointer to the token to be checked.
|
|
|
|
@retval EFI_SUCCESS The TxToken is valid.
|
|
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE: This is
|
|
NULL. Token is NULL. Token.Event is NULL.
|
|
Token.Packet.TxData is NULL.
|
|
Token.Packet.TxData.FragmentCount is zero.
|
|
Token.Packet.TxData.DataLength is not equal to the
|
|
sum of fragment lengths. One or more of the
|
|
Token.Packet.TxData.FragmentTable[].
|
|
FragmentLength fields is zero. One or more of the
|
|
Token.Packet.TxData.FragmentTable[].
|
|
FragmentBuffer fields is NULL.
|
|
Token.Packet.TxData. GatewayAddress is not a
|
|
unicast IPv4 address if it is not NULL. One or
|
|
more IPv4 addresses in Token.Packet.TxData.
|
|
UdpSessionData are not valid unicast IPv4
|
|
addresses if the UdpSessionData is not NULL.
|
|
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
|
|
packet size.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4ValidateTxToken (
|
|
IN UDP4_INSTANCE_DATA *Instance,
|
|
IN EFI_UDP4_COMPLETION_TOKEN *TxToken
|
|
);
|
|
|
|
/**
|
|
This function checks whether the specified Token duplicates with the one in the Map.
|
|
|
|
@param[in] Map Pointer to the NET_MAP.
|
|
@param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to
|
|
the Token.
|
|
@param[in] Context Pointer to the Token to be checked.
|
|
|
|
@retval EFI_SUCCESS The Token specified by Context differs from the
|
|
one in the Item.
|
|
@retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4TokenExist (
|
|
IN NET_MAP *Map,
|
|
IN NET_MAP_ITEM *Item,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
This function calculates the checksum for the Packet, utilizing the pre-calculated
|
|
pseudo HeadSum to reduce some overhead.
|
|
|
|
@param[in] Packet Pointer to the NET_BUF contains the udp datagram.
|
|
@param[in] HeadSum Checksum of the pseudo header execpt the length
|
|
field.
|
|
|
|
@retval The 16-bit checksum of this udp datagram.
|
|
|
|
**/
|
|
UINT16
|
|
Udp4Checksum (
|
|
IN NET_BUF *Packet,
|
|
IN UINT16 HeadSum
|
|
);
|
|
|
|
/**
|
|
This function removes the specified Token from the TokenMap.
|
|
|
|
@param TokenMap Pointer to the NET_MAP containing the tokens.
|
|
@param Token Pointer to the Token to be removed.
|
|
|
|
@retval EFI_SUCCESS The specified Token is removed from the TokenMap.
|
|
@retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4RemoveToken (
|
|
IN OUT NET_MAP *TokenMap,
|
|
IN EFI_UDP4_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
/**
|
|
This function removes the multicast group specified by Arg from the Map.
|
|
|
|
@param Map Pointer to the NET_MAP.
|
|
@param Item Pointer to the NET_MAP_ITEM.
|
|
@param Arg Pointer to the Arg, it's the pointer to a
|
|
multicast IPv4 Address.
|
|
|
|
@retval EFI_SUCCESS The multicast address is removed.
|
|
@retval EFI_ABORTED The specified multicast address is removed and the
|
|
Arg is not NULL.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4LeaveGroup (
|
|
IN OUT NET_MAP *Map,
|
|
IN NET_MAP_ITEM *Item,
|
|
IN VOID *Arg OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function removes all the Wrap datas in the RcvdDgramQue.
|
|
|
|
@param[in] Instance Pointer to the udp instance context data.
|
|
|
|
**/
|
|
VOID
|
|
Udp4FlushRcvdDgram (
|
|
IN UDP4_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
Cancel Udp4 tokens from the Udp4 instance.
|
|
|
|
@param[in] Instance Pointer to the udp instance context data.
|
|
@param[in] Token Pointer to the token to be canceled, if NULL, all
|
|
tokens in this instance will be cancelled.
|
|
|
|
@retval EFI_SUCCESS The Token is cancelled.
|
|
@retval EFI_NOT_FOUND The Token is not found.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4InstanceCancelToken (
|
|
IN UDP4_INSTANCE_DATA *Instance,
|
|
IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
|
|
);
|
|
|
|
/**
|
|
This function delivers the received datagrams for the specified instance.
|
|
|
|
@param[in] Instance Pointer to the instance context data.
|
|
|
|
**/
|
|
VOID
|
|
Udp4InstanceDeliverDgram (
|
|
IN UDP4_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
This function reports the received ICMP error.
|
|
|
|
@param[in] Instance Pointer to the udp instance context data.
|
|
|
|
**/
|
|
VOID
|
|
Udp4ReportIcmpError (
|
|
IN UDP4_INSTANCE_DATA *Instance
|
|
);
|
|
|
|
/**
|
|
This function is a dummy ext-free function for the NET_BUF created for the output
|
|
udp datagram.
|
|
|
|
@param[in] Context Pointer to the context data.
|
|
|
|
**/
|
|
VOID
|
|
Udp4NetVectorExtFree (
|
|
VOID *Context
|
|
);
|
|
|
|
/**
|
|
Set the Udp4 variable data.
|
|
|
|
@param Udp4Service Udp4 service data.
|
|
|
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources to set the
|
|
variable.
|
|
@retval EFI_SUCCESS Set variable successfully.
|
|
@retval other Set variable failed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Udp4SetVariableData (
|
|
IN UDP4_SERVICE_DATA *Udp4Service
|
|
);
|
|
|
|
/**
|
|
Clear the variable and free the resource.
|
|
|
|
@param[[in] Udp4Service Udp4 service data.
|
|
|
|
**/
|
|
VOID
|
|
Udp4ClearVariableData (
|
|
IN UDP4_SERVICE_DATA *Udp4Service
|
|
);
|
|
|
|
#endif
|
|
|